From: Trond Myklebust <trond.myklebust@primarydata.com>
Date: Wed, 30 Jul 2014 01:34:34 +0000 (-0400)
Subject: nfsd: Protect adding/removing open state owners using client_lock
X-Git-Tag: cleanup-for-v3.18~60^2~50
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7ffb588086e9;p=pandora-kernel.git

nfsd: Protect adding/removing open state owners using client_lock

Once we remove client mutex protection, we'll need to ensure that
stateowner lookup and creation are atomic between concurrent compounds.
Ensure that alloc_init_open_stateowner checks the hashtable under the
client_lock before adding a new element.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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